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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
...n request, but it may not be. For me, I had been debugging an API and had set the Access-Control-Allow-Origin to *, but it appears that recent versions of Chrome are requiring an extra header. Try prepending the following to your file if you are using PHP:
header("Access-Control-Allow-Origin: *")...
How to format all Java files in an Eclipse project at one time?
... well formatted. I'd like to format all the .java files according to the settings in Eclipse. I don't want to edit every individual file with Ctrl + Shift + F . Is there a way to format all my files? Perhaps an Eclipse plugin?
...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
...he sql statement( i.e. "SELECT * FROM table").
This command will return a set of values as a hash and put them into the results variable.
So on my rails application_controller.rb I added this:
def execute_statement(sql)
results = ActiveRecord::Base.connection.execute(sql)
if results.present?...
Can Mockito capture arguments of a method called multiple times?
...ike this: Person person = new Person("John"); doSomething(person); person.setName("Jane"); doSomething(person); the captured argument will be the same twice (because actually it is the same person object), so capturedPeople.get(0).getName() == capturedPeople.get(1).getName() == "Jane" , see also gr...
Virtualizing an ItemsControl?
...t control templates is Show Me The Template)
Things to notice:
You have to set ScrollViewer.CanContentScroll="True", see here for why.
Also notice that I put VirtualizingStackPanel.VirtualizationMode="Recycling". This will reduce the numbers of times TextBlock_Initialized is called to however many T...
How to get UTC time in Python?
...ept of a so called naive datetime object (i.e., no timezone information is set) does serve a purpose: I want my alarm clock to ring at 06:00:00 every day no matter where in the world I am. Also it allows for "virtual clocks" in say computer games: It is now 5 pm in my fantasy world. Forcing a timezo...
.htaccess mod_rewrite - how to exclude directory from rewrite rule
...ere is only one thing you should have in mind: activating .htaccess files (setting AllowOverride to anything else than None in apache config) forces apache to search for .htaccess on every request. so if you have a high frequented website/webserver that filesystem/harddisk access could have an imens...
How to detect modifier key states in WPF?
...
private bool IsShiftKey { get; set; }
private void OnPreviewKeyDown(object sender, KeyEventArgs e)
{
IsShiftKey = Keyboard.Modifiers == ModifierKeys.Shift ? true : false;
if ((Key.Oem3 == e.Key || ((IsShiftKey && Key.Oem4 ...
How can I use grep to show just filenames on Linux?
...g this with other flags grep -nrl "some text" . when looking for text in a set of subfolders recursively
– openwonk
Jun 25 '19 at 6:33
...
How to get the current time in milliseconds from C in Linux?
...presentation of time is not relevant to or effected by timezone itself, so setting tz param of gettimeofday() is not necessary, since it won't make any difference.
And, according to man page of gettimeofday(), the use of the timezone structure is obsolete, thus the tz argument should normally be sp...